EVP Head Shim Kit for Polaris RZR Pro R model_Talon Designed with both driver and

Designed with both driver and passenger comfort in mind

Increases air flow and reduces air restriction

The EVO Intake Boot does not have an "accordion" section like the OEM to disturb the air flow

Our springs are made from Chrome Silicon steel for long life and high strength

Improved Overall Power Delivery

EVP Head Shim Kit for Polaris RZR Pro R model_Talon Designed with both driver andDESCRIPTION EVP engineers designed and manufactured the ultimate game changer when it comes to lowering compression for the RZR Pro R. Stock compression ratio on the N A ProStar 2. 0L engine runs high at 12. 5: 1, which is inadequate for any turbo upgrade engine build running high boost and big horsepower. The new EVP Head Shim Kit for Pro R's lowers compression to 10. 8: 1 to help reduce air fuel temperatures and thus prevent detonation as well as